HelloGGX shadcn-vue-mcp callback-server.ts fs.promises.readFile path traversal

published 2026-08-09 3 mo ago modified 2026-10-23 16 d ago also EUVD-2026-54851

cvss: 3.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits: 0; none known

A weakness has been identified in HelloGGX shadcn-vue-mcp up to e170e277b94235cde627803277fc8c41103a4d38. Affected by this issue is the function fs.promises.readFile of the file src/server/callback-server.ts. This manipulation of the argument filepath causes path traversal. The attack is restricted to local execution. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The project was informed of the problem early through an issue report but has not responded yet.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 mo ago (2026-08-10)

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
CNA	3.1	3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA	3.0	3.3	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CNA	2.0	1.7	AV:L/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR
CNA	4.0	1.9	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA	2.0	1.7	AV:L/AC:L/Au:S/C:P/I:N/A:N

Affected products

HelloGGX shadcn-vue-mcp

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

vuldb.com /vuln/387158
vdb-entry, technical-description
vuldb.com /vuln/387158/cti
signature, permissions-required
vuldb.com /cve/CVE-2026-19324
third-party-advisory
vuldb.com /submit/865241
third-party-advisory
github.com /HelloGGX/shadcn-vue-mcp/issues/14
issue-tracking
github.com /HelloGGX/shadcn-vue-mcp/
product

Sources

CVE List CVE-2026-19324
NVD CVE-2026-19324

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary